Granted Patent
Utility
US 5,962,161 · App. 09/003,653
Recombinant battery separator
Inventor:
Jerry Zucker
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Jan 7, 1998
Inventor
Jerry Zucker
Assignee (at issue)
DARAMIC, LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.